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	<head>
		<title>three.js webgpu - GLTFloader</title>
		<meta charset="utf-8">
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		<link type="text/css" rel="stylesheet" href="main.css">
	</head>

	<body>
		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - WebGPU Performance<br />
			Dungeon - Low Poly Game Level Challenge by
			<a href="https://sketchfab.com/warkarma" target="_blank" rel="noopener">Warkarma</a><br />
			<a href="https://hdrihaven.com/hdri/?h=royal_esplanade" target="_blank" rel="noopener">Royal Esplanade</a> from <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</a>
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.webgpu.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import Stats from 'three/addons/libs/stats.module.js';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
			import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';

			import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';

			let camera, scene, renderer, stats;

			init();

			function init() {

				const container = document.createElement( 'div' );
				document.body.appendChild( container );

				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 100 );
				camera.position.set( 60, 60, 60 );

				scene = new THREE.Scene();


				renderer = new THREE.WebGPURenderer( { antialias: true, forceWebGL: false } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				renderer.toneMappingExposure = 1;

				renderer.setAnimationLoop( render );
				container.appendChild( renderer.domElement );

				//

				stats = new Stats();
				document.body.appendChild( stats.dom );

				new RGBELoader()
					.setPath( 'textures/equirectangular/' )
					.load( 'royal_esplanade_1k.hdr', function ( texture ) {

						texture.mapping = THREE.EquirectangularReflectionMapping;

						scene.environment = texture;

						// model

						const dracoLoader = new DRACOLoader();
						dracoLoader.setDecoderPath( 'jsm/libs/draco/gltf/' );

						const loader = new GLTFLoader().setPath( 'models/gltf/' );
						loader.setDRACOLoader( dracoLoader );

						loader.load( 'dungeon_warkarma.glb', async function ( gltf ) {

							const model = gltf.scene;

							// wait until the model can be added to the scene without blocking due to shader compilation

							await renderer.compileAsync( model, camera, scene );

							scene.add( model );
			
						} );

					} );

			

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.minDistance = 2;
				controls.maxDistance = 60;
				controls.target.set( 0, 0, - 0.2 );
				controls.update();


				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			//

			function render() {

				renderer.renderAsync( scene, camera );

				stats.update();

			}

		</script>

	</body>
</html>
